The Five Ten Kestrel Lace MTB Shoes are designed to transfer power to the pedals as efficiently as possible with a classic lace closure, lower total volume, and tighter fitting heel. These all-weather mountain biking shoes are built with a clipless style that's cimpatible with all clipless mountain bike pedals. The Five Ten Kestrel Lace MTB Shoes feature a Stealth® C4™ rubber outsole that brings an excellent grip, whether you're on or off the bike.  The shank of the Kestrel Lace is nylon, making it about 15% less stiff than the Kestrel, while an EVA midsole provides excellent shock absorption. Five Ten Kestrel Lace MTB Shoe Features  Comfortable, regular fit Lace closure with hook-and-loop top strap Synthetic weather-resistant micro-perforated upper; Perforated EVA tongue with mesh overlay Textile lining; Stealth® C4™ rubber outsole for unbeatable grip Durable lightweight EVA midsole Clipless style; Stiff carbon-infused nylon shank Stealth® C4 Tried and true C4 allows climbers to stick to edges that are barely even there, lock into smears on microscopic nubbins, and cruise up technical terrain with unparalleled confidence in their footwork. Excellent grip for biking and all activities. Advantages include: Edging, Excellent interlock, Vibration damping and Hard friction.